Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH6AA callsign genealogy
Currently held by KNIGHT, RALPH E
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by WH6AA's current licensee, walking backwards.
- ARONOFF, D BARTHIgranted 2003-08-21cancelled 2003-09-20
Successor callsigns
Callsigns held now by people who previously held WH6AA.
- Aronoff, D BartHIgranted 2022-12-02
All historical holders
Every license row we've seen with the callsign WH6AA, oldest first.
- KNIGHT, RALPH E HI1991-05-14 → cancelled 2003-05-15
- Aronoff, D Bart HI2003-09-20 → cancelled 2012-08-24